-#!/usr/bin/env python
+#!/usr/bin/env python3
"""GSO functional tests"""
#
import unittest
from scapy.packet import Raw
-from scapy.layers.inet6 import IPv6, Ether, IP, UDP, ICMPv6PacketTooBig
+from scapy.layers.l2 import GRE
+from scapy.layers.inet6 import IPv6, Ether, IP, ICMPv6PacketTooBig
+from scapy.layers.inet6 import ipv6nh, IPerror6
from scapy.layers.inet import TCP, ICMP
from scapy.layers.vxlan import VXLAN
-from scapy.data import ETH_P_IP, ETH_P_IPV6, ETH_P_ARP
+from scapy.layers.ipsec import ESP
-from framework import VppTestCase, VppTestRunner
-from vpp_object import VppObject
-from vpp_interface import VppInterface
-from vpp_ip import DpoProto
+from vpp_papi import VppEnum
+from framework import VppTestCase
+from asfframework import VppTestRunner
from vpp_ip_route import VppIpRoute, VppRoutePath, FibPathProto
-from socket import AF_INET, AF_INET6, inet_pton
-from util import reassemble4
+from vpp_ipip_tun_interface import VppIpIpTunInterface
+from vpp_vxlan_tunnel import VppVxlanTunnel
+from vpp_gre_interface import VppGreInterface
+from vpp_ipsec import VppIpsecSA, VppIpsecTunProtect
+from template_ipsec import (
+ IPsecIPv4Params,
+ IPsecIPv6Params,
+ config_tun_params,
+)
""" Test_gso is a subclass of VPPTestCase classes.
GSO tests.
class TestGSO(VppTestCase):
- """ GSO Test Case """
+ """GSO Test Case"""
def __init__(self, *args):
VppTestCase.__init__(self, *args)
@classmethod
def setUpClass(self):
super(TestGSO, self).setUpClass()
+ res = self.create_pg_interfaces(range(2))
+ res_gso = self.create_pg_interfaces(range(2, 4), 1, 1460)
+ self.create_pg_interfaces(range(4, 5), 1, 8940)
+ self.pg_interfaces.append(res[0])
+ self.pg_interfaces.append(res[1])
+ self.pg_interfaces.append(res_gso[0])
+ self.pg_interfaces.append(res_gso[1])
@classmethod
def tearDownClass(self):
def setUp(self):
super(TestGSO, self).setUp()
+ for i in self.pg_interfaces:
+ i.admin_up()
+ i.config_ip4()
+ i.config_ip6()
+ i.disable_ipv6_ra()
+ i.resolve_arp()
+ i.resolve_ndp()
+
+ self.single_tunnel_bd = 10
+ self.vxlan = VppVxlanTunnel(
+ self,
+ src=self.pg0.local_ip4,
+ dst=self.pg0.remote_ip4,
+ vni=self.single_tunnel_bd,
+ )
+
+ self.vxlan2 = VppVxlanTunnel(
+ self,
+ src=self.pg0.local_ip6,
+ dst=self.pg0.remote_ip6,
+ vni=self.single_tunnel_bd,
+ )
+
+ self.ipip4 = VppIpIpTunInterface(
+ self, self.pg0, self.pg0.local_ip4, self.pg0.remote_ip4
+ )
+ self.ipip6 = VppIpIpTunInterface(
+ self, self.pg0, self.pg0.local_ip6, self.pg0.remote_ip6
+ )
+
+ self.gre4 = VppGreInterface(self, self.pg0.local_ip4, self.pg0.remote_ip4)
+ self.gre6 = VppGreInterface(self, self.pg0.local_ip6, self.pg0.remote_ip6)
def tearDown(self):
super(TestGSO, self).tearDown()
i.admin_down()
def test_gso(self):
- """ GSO test """
+ """GSO test"""
#
# Send jumbo frame with gso disabled and DF bit is set
#
- self.create_pg_interfaces(range(2))
- for i in self.pg_interfaces:
- i.admin_up()
- i.config_ip4()
- i.config_ip6()
- i.disable_ipv6_ra()
- i.resolve_arp()
- i.resolve_ndp()
-
- p4 = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
- IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4,
- flags='DF') /
- TCP(sport=1234, dport=1234) /
- Raw('\xa5' * 65200))
+ p4 = (
+ Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac)
+ / IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4, flags="DF")
+ / TCP(sport=1234, dport=1234)
+ / Raw(b"\xa5" * 65200)
+ )
rxs = self.send_and_expect(self.pg0, [p4], self.pg0)
self.assertEqual(rx[ICMP].type, 3) # "dest-unreach"
self.assertEqual(rx[ICMP].code, 4) # "fragmentation-needed"
+ #
+ # Send checksum offload frames
+ #
+ p40 = (
+ Ether(src=self.pg2.remote_mac, dst=self.pg2.local_mac)
+ / IP(src=self.pg2.remote_ip4, dst=self.pg0.remote_ip4, flags="DF")
+ / TCP(sport=1234, dport=1234)
+ / Raw(b"\xa5" * 1460)
+ )
+
+ rxs = self.send_and_expect(self.pg2, 100 * [p40], self.pg0)
+
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, self.pg0.local_mac)
+ self.assertEqual(rx[Ether].dst, self.pg0.remote_mac)
+ self.assertEqual(rx[IP].src, self.pg2.remote_ip4)
+ self.assertEqual(rx[IP].dst, self.pg0.remote_ip4)
+ payload_len = rx[IP].len - 20 - 20
+ self.assert_ip_checksum_valid(rx)
+ self.assert_tcp_checksum_valid(rx)
+ self.assertEqual(payload_len, len(rx[Raw]))
+
+ p60 = (
+ Ether(src=self.pg2.remote_mac, dst=self.pg2.local_mac)
+ / IPv6(src=self.pg2.remote_ip6, dst=self.pg0.remote_ip6)
+ / TCP(sport=1234, dport=1234)
+ / Raw(b"\xa5" * 1440)
+ )
+
+ rxs = self.send_and_expect(self.pg2, 100 * [p60], self.pg0)
+
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, self.pg0.local_mac)
+ self.assertEqual(rx[Ether].dst, self.pg0.remote_mac)
+ self.assertEqual(rx[IPv6].src, self.pg2.remote_ip6)
+ self.assertEqual(rx[IPv6].dst, self.pg0.remote_ip6)
+ payload_len = rx[IPv6].plen - 20
+ self.assert_tcp_checksum_valid(rx)
+ self.assertEqual(payload_len, len(rx[Raw]))
+
#
# Send jumbo frame with gso enabled and DF bit is set
# input and output interfaces support GSO
#
- self.create_pg_interfaces(range(2, 4), 1, 1460)
- for i in self.pg_interfaces:
- i.admin_up()
- i.config_ip4()
- i.config_ip6()
- i.disable_ipv6_ra()
- i.resolve_arp()
- i.resolve_ndp()
-
- p41 = (Ether(src=self.pg2.remote_mac, dst=self.pg2.local_mac) /
- IP(src=self.pg2.remote_ip4, dst=self.pg3.remote_ip4,
- flags='DF') /
- TCP(sport=1234, dport=1234) /
- Raw('\xa5' * 65200))
+ self.vapi.feature_gso_enable_disable(
+ sw_if_index=self.pg3.sw_if_index, enable_disable=1
+ )
+ p41 = (
+ Ether(src=self.pg2.remote_mac, dst=self.pg2.local_mac)
+ / IP(src=self.pg2.remote_ip4, dst=self.pg3.remote_ip4, flags="DF")
+ / TCP(sport=1234, dport=1234)
+ / Raw(b"\xa5" * 65200)
+ )
- rxs = self.send_and_expect(self.pg2, [p41], self.pg3)
+ rxs = self.send_and_expect(self.pg2, 100 * [p41], self.pg3, 100)
for rx in rxs:
self.assertEqual(rx[Ether].src, self.pg3.local_mac)
self.assertEqual(rx[TCP].sport, 1234)
self.assertEqual(rx[TCP].dport, 1234)
+ #
+ # ipv6
+ #
+ p61 = (
+ Ether(src=self.pg2.remote_mac, dst=self.pg2.local_mac)
+ / IPv6(src=self.pg2.remote_ip6, dst=self.pg3.remote_ip6)
+ / TCP(sport=1234, dport=1234)
+ / Raw(b"\xa5" * 65200)
+ )
+
+ rxs = self.send_and_expect(self.pg2, 100 * [p61], self.pg3, 100)
+
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, self.pg3.local_mac)
+ self.assertEqual(rx[Ether].dst, self.pg3.remote_mac)
+ self.assertEqual(rx[IPv6].src, self.pg2.remote_ip6)
+ self.assertEqual(rx[IPv6].dst, self.pg3.remote_ip6)
+ self.assertEqual(rx[IPv6].plen, 65220) # 65200 + 20 (TCP)
+ self.assertEqual(rx[TCP].sport, 1234)
+ self.assertEqual(rx[TCP].dport, 1234)
+
#
# Send jumbo frame with gso enabled only on input interface
# and DF bit is set. GSO packet will be chunked into gso_size
# data payload
#
- self.create_pg_interfaces(range(4, 5))
- for i in self.pg_interfaces:
- i.admin_up()
- i.config_ip4()
- i.config_ip6()
- i.disable_ipv6_ra()
- i.resolve_arp()
- i.resolve_ndp()
-
- p42 = (Ether(src=self.pg2.remote_mac, dst=self.pg2.local_mac) /
- IP(src=self.pg2.remote_ip4, dst=self.pg4.remote_ip4,
- flags='DF') /
- TCP(sport=1234, dport=1234) /
- Raw('\xa5' * 65200))
+ self.vapi.feature_gso_enable_disable(
+ sw_if_index=self.pg0.sw_if_index, enable_disable=1
+ )
+ p42 = (
+ Ether(src=self.pg2.remote_mac, dst=self.pg2.local_mac)
+ / IP(src=self.pg2.remote_ip4, dst=self.pg0.remote_ip4, flags="DF")
+ / TCP(sport=1234, dport=1234)
+ / Raw(b"\xa5" * 65200)
+ )
- rxs = self.send_and_expect(self.pg2, [p42], self.pg4, 45)
+ rxs = self.send_and_expect(self.pg2, 5 * [p42], self.pg0, 225)
size = 0
for rx in rxs:
- self.assertEqual(rx[Ether].src, self.pg4.local_mac)
- self.assertEqual(rx[Ether].dst, self.pg4.remote_mac)
+ self.assertEqual(rx[Ether].src, self.pg0.local_mac)
+ self.assertEqual(rx[Ether].dst, self.pg0.remote_mac)
self.assertEqual(rx[IP].src, self.pg2.remote_ip4)
- self.assertEqual(rx[IP].dst, self.pg4.remote_ip4)
+ self.assertEqual(rx[IP].dst, self.pg0.remote_ip4)
+ payload_len = rx[IP].len - 20 - 20 # len - 20 (IP4) - 20 (TCP)
+ self.assert_ip_checksum_valid(rx)
+ self.assert_tcp_checksum_valid(rx)
self.assertEqual(rx[TCP].sport, 1234)
self.assertEqual(rx[TCP].dport, 1234)
+ self.assertEqual(payload_len, len(rx[Raw]))
+ size += payload_len
+ self.assertEqual(size, 65200 * 5)
- size = rxs[44][TCP].seq + rxs[44][IP].len - 20 - 20
- self.assertEqual(size, 65200)
+ #
+ # ipv6
+ #
+ p62 = (
+ Ether(src=self.pg2.remote_mac, dst=self.pg2.local_mac)
+ / IPv6(src=self.pg2.remote_ip6, dst=self.pg0.remote_ip6)
+ / TCP(sport=1234, dport=1234)
+ / Raw(b"\xa5" * 65200)
+ )
+
+ rxs = self.send_and_expect(self.pg2, 5 * [p62], self.pg0, 225)
+ size = 0
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, self.pg0.local_mac)
+ self.assertEqual(rx[Ether].dst, self.pg0.remote_mac)
+ self.assertEqual(rx[IPv6].src, self.pg2.remote_ip6)
+ self.assertEqual(rx[IPv6].dst, self.pg0.remote_ip6)
+ payload_len = rx[IPv6].plen - 20
+ self.assert_tcp_checksum_valid(rx)
+ self.assertEqual(rx[TCP].sport, 1234)
+ self.assertEqual(rx[TCP].dport, 1234)
+ self.assertEqual(payload_len, len(rx[Raw]))
+ size += payload_len
+ self.assertEqual(size, 65200 * 5)
#
# Send jumbo frame with gso enabled only on input interface
# and DF bit is unset. GSO packet will be fragmented.
#
self.vapi.sw_interface_set_mtu(self.pg1.sw_if_index, [576, 0, 0, 0])
+ self.vapi.feature_gso_enable_disable(
+ sw_if_index=self.pg1.sw_if_index, enable_disable=1
+ )
- p43 = (Ether(src=self.pg2.remote_mac, dst=self.pg2.local_mac) /
- IP(src=self.pg2.remote_ip4, dst=self.pg1.remote_ip4) /
- TCP(sport=1234, dport=1234) /
- Raw('\xa5' * 65200))
+ p43 = (
+ Ether(src=self.pg2.remote_mac, dst=self.pg2.local_mac)
+ / IP(src=self.pg2.remote_ip4, dst=self.pg1.remote_ip4)
+ / TCP(sport=1234, dport=1234)
+ / Raw(b"\xa5" * 65200)
+ )
- rxs = self.send_and_expect(self.pg2, [p43], self.pg1, 119)
+ rxs = self.send_and_expect(self.pg2, 5 * [p43], self.pg1, 5 * 119)
size = 0
for rx in rxs:
self.assertEqual(rx[Ether].src, self.pg1.local_mac)
self.assertEqual(rx[Ether].dst, self.pg1.remote_mac)
self.assertEqual(rx[IP].src, self.pg2.remote_ip4)
self.assertEqual(rx[IP].dst, self.pg1.remote_ip4)
+ self.assert_ip_checksum_valid(rx)
size += rx[IP].len - 20
- size -= 20 # TCP header
+ size -= 20 * 5 # TCP header
+ self.assertEqual(size, 65200 * 5)
+
+ #
+ # IPv6
+ # Send jumbo frame with gso enabled only on input interface.
+ # ICMPv6 Packet Too Big will be sent back to sender.
+ #
+ self.vapi.sw_interface_set_mtu(self.pg1.sw_if_index, [1280, 0, 0, 0])
+ p63 = (
+ Ether(src=self.pg2.remote_mac, dst=self.pg2.local_mac)
+ / IPv6(src=self.pg2.remote_ip6, dst=self.pg1.remote_ip6)
+ / TCP(sport=1234, dport=1234)
+ / Raw(b"\xa5" * 65200)
+ )
+
+ rxs = self.send_and_expect_some(self.pg2, 5 * [p63], self.pg2, 5)
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, self.pg2.local_mac)
+ self.assertEqual(rx[Ether].dst, self.pg2.remote_mac)
+ self.assertEqual(rx[IPv6].src, self.pg2.local_ip6)
+ self.assertEqual(rx[IPv6].dst, self.pg2.remote_ip6)
+ self.assertEqual(rx[IPv6].plen, 1240) # MTU - IPv6 header
+ self.assertEqual(ipv6nh[rx[IPv6].nh], "ICMPv6")
+ self.assertEqual(rx[ICMPv6PacketTooBig].mtu, 1280)
+ self.assertEqual(rx[IPerror6].src, self.pg2.remote_ip6)
+ self.assertEqual(rx[IPerror6].dst, self.pg1.remote_ip6)
+ self.assertEqual(rx[IPerror6].plen - 20, 65200)
+
+ #
+ # Send jumbo frame with gso enabled only on input interface with 9K MTU
+ # and DF bit is unset. GSO packet will be fragmented. MSS is 8960. GSO
+ # size will be min(MSS, 2048 - 14 - 20) vlib_buffer_t size
+ #
+ self.vapi.sw_interface_set_mtu(self.pg1.sw_if_index, [9000, 0, 0, 0])
+ self.vapi.sw_interface_set_mtu(self.pg4.sw_if_index, [9000, 0, 0, 0])
+ p44 = (
+ Ether(src=self.pg4.remote_mac, dst=self.pg4.local_mac)
+ / IP(src=self.pg4.remote_ip4, dst=self.pg1.remote_ip4)
+ / TCP(sport=1234, dport=1234)
+ / Raw(b"\xa5" * 65200)
+ )
+
+ rxs = self.send_and_expect(self.pg4, 5 * [p44], self.pg1, 165)
+ size = 0
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, self.pg1.local_mac)
+ self.assertEqual(rx[Ether].dst, self.pg1.remote_mac)
+ self.assertEqual(rx[IP].src, self.pg4.remote_ip4)
+ self.assertEqual(rx[IP].dst, self.pg1.remote_ip4)
+ payload_len = rx[IP].len - 20 - 20 # len - 20 (IP4) - 20 (TCP)
+ self.assert_ip_checksum_valid(rx)
+ self.assert_tcp_checksum_valid(rx)
+ self.assertEqual(payload_len, len(rx[Raw]))
+ size += payload_len
+ self.assertEqual(size, 65200 * 5)
+
+ #
+ # IPv6
+ #
+ p64 = (
+ Ether(src=self.pg4.remote_mac, dst=self.pg4.local_mac)
+ / IPv6(src=self.pg4.remote_ip6, dst=self.pg1.remote_ip6)
+ / TCP(sport=1234, dport=1234)
+ / Raw(b"\xa5" * 65200)
+ )
+
+ rxs = self.send_and_expect(self.pg4, 5 * [p64], self.pg1, 170)
+ size = 0
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, self.pg1.local_mac)
+ self.assertEqual(rx[Ether].dst, self.pg1.remote_mac)
+ self.assertEqual(rx[IPv6].src, self.pg4.remote_ip6)
+ self.assertEqual(rx[IPv6].dst, self.pg1.remote_ip6)
+ payload_len = rx[IPv6].plen - 20
+ self.assert_tcp_checksum_valid(rx)
+ self.assertEqual(payload_len, len(rx[Raw]))
+ size += payload_len
+ self.assertEqual(size, 65200 * 5)
+
+ self.vapi.feature_gso_enable_disable(
+ sw_if_index=self.pg0.sw_if_index, enable_disable=0
+ )
+ self.vapi.feature_gso_enable_disable(
+ sw_if_index=self.pg1.sw_if_index, enable_disable=0
+ )
+
+ def test_gso_vxlan(self):
+ """GSO VXLAN test"""
+ self.logger.info(self.vapi.cli("sh int addr"))
+ #
+ # Send jumbo frame with gso enabled only on input interface and
+ # create VXLAN VTEP on VPP pg0, and put vxlan_tunnel0 and pg2
+ # into BD.
+ #
+
+ #
+ # enable ipv4/vxlan
+ #
+ self.vxlan.add_vpp_config()
+ self.vapi.sw_interface_set_l2_bridge(
+ rx_sw_if_index=self.vxlan.sw_if_index, bd_id=self.single_tunnel_bd
+ )
+ self.vapi.sw_interface_set_l2_bridge(
+ rx_sw_if_index=self.pg2.sw_if_index, bd_id=self.single_tunnel_bd
+ )
+ self.vapi.feature_gso_enable_disable(
+ sw_if_index=self.pg0.sw_if_index, enable_disable=1
+ )
+
+ #
+ # IPv4/IPv4 - VXLAN
+ #
+ p45 = (
+ Ether(src=self.pg2.remote_mac, dst="02:fe:60:1e:a2:79")
+ / IP(src=self.pg2.remote_ip4, dst="172.16.3.3", flags="DF")
+ / TCP(sport=1234, dport=1234)
+ / Raw(b"\xa5" * 65200)
+ )
+
+ rxs = self.send_and_expect(self.pg2, 5 * [p45], self.pg0, 225)
+ size = 0
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, self.pg0.local_mac)
+ self.assertEqual(rx[Ether].dst, self.pg0.remote_mac)
+ self.assertEqual(rx[IP].src, self.pg0.local_ip4)
+ self.assertEqual(rx[IP].dst, self.pg0.remote_ip4)
+ self.assert_ip_checksum_valid(rx)
+ self.assert_udp_checksum_valid(rx, ignore_zero_checksum=False)
+ self.assertEqual(rx[VXLAN].vni, 10)
+ inner = rx[VXLAN].payload
+ self.assertEqual(rx[IP].len - 20 - 8 - 8, len(inner))
+ self.assertEqual(inner[Ether].src, self.pg2.remote_mac)
+ self.assertEqual(inner[Ether].dst, "02:fe:60:1e:a2:79")
+ self.assertEqual(inner[IP].src, self.pg2.remote_ip4)
+ self.assertEqual(inner[IP].dst, "172.16.3.3")
+ self.assert_ip_checksum_valid(inner)
+ self.assert_tcp_checksum_valid(inner)
+ payload_len = inner[IP].len - 20 - 20
+ self.assertEqual(payload_len, len(inner[Raw]))
+ size += payload_len
+ self.assertEqual(size, 65200 * 5)
+
+ #
+ # IPv4/IPv6 - VXLAN
+ #
+ p65 = (
+ Ether(src=self.pg2.remote_mac, dst="02:fe:60:1e:a2:79")
+ / IPv6(src=self.pg2.remote_ip6, dst="fd01:3::3")
+ / TCP(sport=1234, dport=1234)
+ / Raw(b"\xa5" * 65200)
+ )
+
+ rxs = self.send_and_expect(self.pg2, 5 * [p65], self.pg0, 225)
+ size = 0
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, self.pg0.local_mac)
+ self.assertEqual(rx[Ether].dst, self.pg0.remote_mac)
+ self.assertEqual(rx[IP].src, self.pg0.local_ip4)
+ self.assertEqual(rx[IP].dst, self.pg0.remote_ip4)
+ self.assert_ip_checksum_valid(rx)
+ self.assert_udp_checksum_valid(rx, ignore_zero_checksum=False)
+ self.assertEqual(rx[VXLAN].vni, 10)
+ inner = rx[VXLAN].payload
+ self.assertEqual(rx[IP].len - 20 - 8 - 8, len(inner))
+ self.assertEqual(inner[Ether].src, self.pg2.remote_mac)
+ self.assertEqual(inner[Ether].dst, "02:fe:60:1e:a2:79")
+ self.assertEqual(inner[IPv6].src, self.pg2.remote_ip6)
+ self.assertEqual(inner[IPv6].dst, "fd01:3::3")
+ self.assert_tcp_checksum_valid(inner)
+ payload_len = inner[IPv6].plen - 20
+ self.assertEqual(payload_len, len(inner[Raw]))
+ size += payload_len
+ self.assertEqual(size, 65200 * 5)
+
+ #
+ # disable ipv4/vxlan
+ #
+ self.vxlan.remove_vpp_config()
+
+ #
+ # enable ipv6/vxlan
+ #
+ self.vxlan2.add_vpp_config()
+ self.vapi.sw_interface_set_l2_bridge(
+ rx_sw_if_index=self.vxlan2.sw_if_index, bd_id=self.single_tunnel_bd
+ )
+
+ #
+ # IPv6/IPv4 - VXLAN
+ #
+ p46 = (
+ Ether(src=self.pg2.remote_mac, dst="02:fe:60:1e:a2:79")
+ / IP(src=self.pg2.remote_ip4, dst="172.16.3.3", flags="DF")
+ / TCP(sport=1234, dport=1234)
+ / Raw(b"\xa5" * 65200)
+ )
+
+ rxs = self.send_and_expect(self.pg2, 5 * [p46], self.pg0, 225)
+ size = 0
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, self.pg0.local_mac)
+ self.assertEqual(rx[Ether].dst, self.pg0.remote_mac)
+ self.assertEqual(rx[IPv6].src, self.pg0.local_ip6)
+ self.assertEqual(rx[IPv6].dst, self.pg0.remote_ip6)
+ self.assert_udp_checksum_valid(rx, ignore_zero_checksum=False)
+ self.assertEqual(rx[VXLAN].vni, 10)
+ inner = rx[VXLAN].payload
+ self.assertEqual(rx[IPv6].plen - 8 - 8, len(inner))
+ self.assertEqual(inner[Ether].src, self.pg2.remote_mac)
+ self.assertEqual(inner[Ether].dst, "02:fe:60:1e:a2:79")
+ self.assertEqual(inner[IP].src, self.pg2.remote_ip4)
+ self.assertEqual(inner[IP].dst, "172.16.3.3")
+ self.assert_ip_checksum_valid(inner)
+ self.assert_tcp_checksum_valid(inner)
+ payload_len = inner[IP].len - 20 - 20
+ self.assertEqual(payload_len, len(inner[Raw]))
+ size += payload_len
+ self.assertEqual(size, 65200 * 5)
+
+ #
+ # IPv6/IPv6 - VXLAN
+ #
+ p66 = (
+ Ether(src=self.pg2.remote_mac, dst="02:fe:60:1e:a2:79")
+ / IPv6(src=self.pg2.remote_ip6, dst="fd01:3::3")
+ / TCP(sport=1234, dport=1234)
+ / Raw(b"\xa5" * 65200)
+ )
+
+ rxs = self.send_and_expect(self.pg2, 5 * [p66], self.pg0, 225)
+ size = 0
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, self.pg0.local_mac)
+ self.assertEqual(rx[Ether].dst, self.pg0.remote_mac)
+ self.assertEqual(rx[IPv6].src, self.pg0.local_ip6)
+ self.assertEqual(rx[IPv6].dst, self.pg0.remote_ip6)
+ self.assert_udp_checksum_valid(rx, ignore_zero_checksum=False)
+ self.assertEqual(rx[VXLAN].vni, 10)
+ inner = rx[VXLAN].payload
+ self.assertEqual(rx[IPv6].plen - 8 - 8, len(inner))
+ self.assertEqual(inner[Ether].src, self.pg2.remote_mac)
+ self.assertEqual(inner[Ether].dst, "02:fe:60:1e:a2:79")
+ self.assertEqual(inner[IPv6].src, self.pg2.remote_ip6)
+ self.assertEqual(inner[IPv6].dst, "fd01:3::3")
+ self.assert_tcp_checksum_valid(inner)
+ payload_len = inner[IPv6].plen - 20
+ self.assertEqual(payload_len, len(inner[Raw]))
+ size += payload_len
+ self.assertEqual(size, 65200 * 5)
+
+ #
+ # disable ipv4/vxlan
+ #
+ self.vxlan2.remove_vpp_config()
+
+ self.vapi.feature_gso_enable_disable(
+ sw_if_index=self.pg0.sw_if_index, enable_disable=0
+ )
+
+ def test_gso_ipip(self):
+ """GSO IPIP test"""
+ self.logger.info(self.vapi.cli("sh int addr"))
+ #
+ # Send jumbo frame with gso enabled only on input interface and
+ # create IPIP tunnel on VPP pg0.
+ #
+ self.vapi.feature_gso_enable_disable(
+ sw_if_index=self.pg0.sw_if_index, enable_disable=1
+ )
+
+ #
+ # enable ipip4
+ #
+ self.ipip4.add_vpp_config()
+
+ # Set interface up and enable IP on it
+ self.ipip4.admin_up()
+ self.ipip4.set_unnumbered(self.pg0.sw_if_index)
+
+ # Add IPv4 routes via tunnel interface
+ self.ip4_via_ip4_tunnel = VppIpRoute(
+ self,
+ "172.16.10.0",
+ 24,
+ [
+ VppRoutePath(
+ "0.0.0.0",
+ self.ipip4.sw_if_index,
+ proto=FibPathProto.FIB_PATH_NH_PROTO_IP4,
+ )
+ ],
+ )
+ self.ip4_via_ip4_tunnel.add_vpp_config()
+
+ #
+ # IPv4/IPv4 - IPIP
+ #
+ p47 = (
+ Ether(src=self.pg2.remote_mac, dst="02:fe:60:1e:a2:79")
+ / IP(src=self.pg2.remote_ip4, dst="172.16.10.3", flags="DF")
+ / TCP(sport=1234, dport=1234)
+ / Raw(b"\xa5" * 65200)
+ )
+
+ rxs = self.send_and_expect(self.pg2, 5 * [p47], self.pg0, 225)
+ size = 0
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, self.pg0.local_mac)
+ self.assertEqual(rx[Ether].dst, self.pg0.remote_mac)
+ self.assertEqual(rx[IP].src, self.pg0.local_ip4)
+ self.assertEqual(rx[IP].dst, self.pg0.remote_ip4)
+ self.assert_ip_checksum_valid(rx)
+ self.assertEqual(rx[IP].proto, 4) # ipencap
+ inner = rx[IP].payload
+ self.assertEqual(rx[IP].len - 20, len(inner))
+ self.assertEqual(inner[IP].src, self.pg2.remote_ip4)
+ self.assertEqual(inner[IP].dst, "172.16.10.3")
+ self.assert_ip_checksum_valid(inner)
+ self.assert_tcp_checksum_valid(inner)
+ payload_len = inner[IP].len - 20 - 20
+ self.assertEqual(payload_len, len(inner[Raw]))
+ size += payload_len
+ self.assertEqual(size, 65200 * 5)
+
+ self.ip6_via_ip4_tunnel = VppIpRoute(
+ self,
+ "fd01:10::",
+ 64,
+ [
+ VppRoutePath(
+ "::",
+ self.ipip4.sw_if_index,
+ proto=FibPathProto.FIB_PATH_NH_PROTO_IP6,
+ )
+ ],
+ )
+ self.ip6_via_ip4_tunnel.add_vpp_config()
+ #
+ # IPv4/IPv6 - IPIP
+ #
+ p67 = (
+ Ether(src=self.pg2.remote_mac, dst="02:fe:60:1e:a2:79")
+ / IPv6(src=self.pg2.remote_ip6, dst="fd01:10::3")
+ / TCP(sport=1234, dport=1234)
+ / Raw(b"\xa5" * 65200)
+ )
+
+ rxs = self.send_and_expect(self.pg2, 5 * [p67], self.pg0, 225)
+ size = 0
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, self.pg0.local_mac)
+ self.assertEqual(rx[Ether].dst, self.pg0.remote_mac)
+ self.assertEqual(rx[IP].src, self.pg0.local_ip4)
+ self.assertEqual(rx[IP].dst, self.pg0.remote_ip4)
+ self.assert_ip_checksum_valid(rx)
+ self.assertEqual(rx[IP].proto, 41) # ipv6
+ inner = rx[IP].payload
+ self.assertEqual(rx[IP].len - 20, len(inner))
+ self.assertEqual(inner[IPv6].src, self.pg2.remote_ip6)
+ self.assertEqual(inner[IPv6].dst, "fd01:10::3")
+ self.assert_tcp_checksum_valid(inner)
+ payload_len = inner[IPv6].plen - 20
+ self.assertEqual(payload_len, len(inner[Raw]))
+ size += payload_len
+ self.assertEqual(size, 65200 * 5)
+
+ #
+ # Send jumbo frame with gso enabled only on input interface and
+ # create IPIP tunnel on VPP pg0. Enable gso feature node on ipip
+ # tunnel - IPSec use case
+ #
+ self.vapi.feature_gso_enable_disable(
+ sw_if_index=self.pg0.sw_if_index, enable_disable=0
+ )
+ self.vapi.feature_gso_enable_disable(
+ sw_if_index=self.ipip4.sw_if_index, enable_disable=1
+ )
+
+ rxs = self.send_and_expect(self.pg2, 5 * [p47], self.pg0, 225)
+ size = 0
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, self.pg0.local_mac)
+ self.assertEqual(rx[Ether].dst, self.pg0.remote_mac)
+ self.assertEqual(rx[IP].src, self.pg0.local_ip4)
+ self.assertEqual(rx[IP].dst, self.pg0.remote_ip4)
+ self.assert_ip_checksum_valid(rx)
+ self.assertEqual(rx[IP].proto, 4) # ipencap
+ inner = rx[IP].payload
+ self.assertEqual(rx[IP].len - 20, len(inner))
+ self.assertEqual(inner[IP].src, self.pg2.remote_ip4)
+ self.assertEqual(inner[IP].dst, "172.16.10.3")
+ self.assert_ip_checksum_valid(inner)
+ self.assert_tcp_checksum_valid(inner)
+ payload_len = inner[IP].len - 20 - 20
+ self.assertEqual(payload_len, len(inner[Raw]))
+ size += payload_len
+ self.assertEqual(size, 65200 * 5)
+
+ #
+ # disable ipip4
+ #
+ self.vapi.feature_gso_enable_disable(
+ sw_if_index=self.ipip4.sw_if_index, enable_disable=0
+ )
+ self.ip4_via_ip4_tunnel.remove_vpp_config()
+ self.ip6_via_ip4_tunnel.remove_vpp_config()
+ self.ipip4.remove_vpp_config()
+
+ #
+ # enable ipip6
+ #
+ self.vapi.feature_gso_enable_disable(
+ sw_if_index=self.pg0.sw_if_index, enable_disable=1
+ )
+ self.ipip6.add_vpp_config()
+
+ # Set interface up and enable IP on it
+ self.ipip6.admin_up()
+ self.ipip6.set_unnumbered(self.pg0.sw_if_index)
+
+ # Add IPv4 routes via tunnel interface
+ self.ip4_via_ip6_tunnel = VppIpRoute(
+ self,
+ "172.16.10.0",
+ 24,
+ [
+ VppRoutePath(
+ "0.0.0.0",
+ self.ipip6.sw_if_index,
+ proto=FibPathProto.FIB_PATH_NH_PROTO_IP4,
+ )
+ ],
+ )
+ self.ip4_via_ip6_tunnel.add_vpp_config()
+
+ #
+ # IPv6/IPv4 - IPIP
+ #
+ p48 = (
+ Ether(src=self.pg2.remote_mac, dst="02:fe:60:1e:a2:79")
+ / IP(src=self.pg2.remote_ip4, dst="172.16.10.3", flags="DF")
+ / TCP(sport=1234, dport=1234)
+ / Raw(b"\xa5" * 65200)
+ )
+
+ rxs = self.send_and_expect(self.pg2, 5 * [p48], self.pg0, 225)
+ size = 0
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, self.pg0.local_mac)
+ self.assertEqual(rx[Ether].dst, self.pg0.remote_mac)
+ self.assertEqual(rx[IPv6].src, self.pg0.local_ip6)
+ self.assertEqual(rx[IPv6].dst, self.pg0.remote_ip6)
+ self.assertEqual(ipv6nh[rx[IPv6].nh], "IP")
+ inner = rx[IPv6].payload
+ self.assertEqual(rx[IPv6].plen, len(inner))
+ self.assertEqual(inner[IP].src, self.pg2.remote_ip4)
+ self.assertEqual(inner[IP].dst, "172.16.10.3")
+ self.assert_ip_checksum_valid(inner)
+ self.assert_tcp_checksum_valid(inner)
+ payload_len = inner[IP].len - 20 - 20
+ self.assertEqual(payload_len, len(inner[Raw]))
+ size += payload_len
+ self.assertEqual(size, 65200 * 5)
+
+ self.ip6_via_ip6_tunnel = VppIpRoute(
+ self,
+ "fd01:10::",
+ 64,
+ [
+ VppRoutePath(
+ "::",
+ self.ipip6.sw_if_index,
+ proto=FibPathProto.FIB_PATH_NH_PROTO_IP6,
+ )
+ ],
+ )
+ self.ip6_via_ip6_tunnel.add_vpp_config()
+
+ #
+ # IPv6/IPv6 - IPIP
+ #
+ p68 = (
+ Ether(src=self.pg2.remote_mac, dst="02:fe:60:1e:a2:79")
+ / IPv6(src=self.pg2.remote_ip6, dst="fd01:10::3")
+ / TCP(sport=1234, dport=1234)
+ / Raw(b"\xa5" * 65200)
+ )
+
+ rxs = self.send_and_expect(self.pg2, 5 * [p68], self.pg0, 225)
+ size = 0
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, self.pg0.local_mac)
+ self.assertEqual(rx[Ether].dst, self.pg0.remote_mac)
+ self.assertEqual(rx[IPv6].src, self.pg0.local_ip6)
+ self.assertEqual(rx[IPv6].dst, self.pg0.remote_ip6)
+ self.assertEqual(ipv6nh[rx[IPv6].nh], "IPv6")
+ inner = rx[IPv6].payload
+ self.assertEqual(rx[IPv6].plen, len(inner))
+ self.assertEqual(inner[IPv6].src, self.pg2.remote_ip6)
+ self.assertEqual(inner[IPv6].dst, "fd01:10::3")
+ self.assert_tcp_checksum_valid(inner)
+ payload_len = inner[IPv6].plen - 20
+ self.assertEqual(payload_len, len(inner[Raw]))
+ size += payload_len
+ self.assertEqual(size, 65200 * 5)
+
+ #
+ # disable ipip6
+ #
+ self.ip4_via_ip6_tunnel.remove_vpp_config()
+ self.ip6_via_ip6_tunnel.remove_vpp_config()
+ self.ipip6.remove_vpp_config()
+
+ self.vapi.feature_gso_enable_disable(
+ sw_if_index=self.pg0.sw_if_index, enable_disable=0
+ )
+
+ def test_gso_gre(self):
+ """GSO GRE test"""
+ #
+ # Send jumbo frame with gso enabled only on gre tunnel interface.
+ # create GRE tunnel on VPP pg0.
+ #
+
+ #
+ # create gre 4 tunnel
+ #
+ self.gre4.add_vpp_config()
+ self.gre4.admin_up()
+ self.gre4.config_ip4()
+
+ #
+ # Add a route that resolves the tunnel's destination
+ #
+ # Add IPv4 routes via tunnel interface
+ self.ip4_via_gre4_tunnel = VppIpRoute(
+ self,
+ "172.16.10.0",
+ 24,
+ [
+ VppRoutePath(
+ "0.0.0.0",
+ self.gre4.sw_if_index,
+ proto=FibPathProto.FIB_PATH_NH_PROTO_IP4,
+ )
+ ],
+ )
+ self.ip4_via_gre4_tunnel.add_vpp_config()
+
+ pgre4 = (
+ Ether(src=self.pg2.remote_mac, dst="02:fe:60:1e:a2:79")
+ / IP(src=self.pg2.remote_ip4, dst="172.16.10.3", flags="DF")
+ / TCP(sport=1234, dport=1234)
+ / Raw(b"\xa5" * 65200)
+ )
+
+ # test when GSO segmentation is disabled, Packets are truncated
+ rxs = self.send_and_expect(self.pg2, 5 * [pgre4], self.pg0, 5)
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, self.pg0.local_mac)
+ self.assertEqual(rx[Ether].dst, self.pg0.remote_mac)
+ self.assertEqual(rx[IP].src, self.pg0.local_ip4)
+ self.assertEqual(rx[IP].dst, self.pg0.remote_ip4)
+ self.assert_ip_checksum_valid(rx)
+ self.assertEqual(rx[IP].proto, 0x2F) # GRE encap
+ self.assertEqual(rx[GRE].proto, 0x0800) # IPv4
+ inner = rx[GRE].payload
+ self.assertNotEqual(rx[IP].len - 20 - 4, len(inner))
+ self.assertEqual(inner[IP].src, self.pg2.remote_ip4)
+ self.assertEqual(inner[IP].dst, "172.16.10.3")
+ self.assert_ip_checksum_valid(inner)
+ payload_len = inner[IP].len - 20 - 20
+ self.assertEqual(payload_len, 65200)
+ # truncated packet to MTU size
+ self.assertNotEqual(payload_len, len(inner[Raw]))
+
+ # enable the GSO segmentation on GRE tunnel
+ self.vapi.feature_gso_enable_disable(
+ sw_if_index=self.gre4.sw_if_index, enable_disable=1
+ )
+
+ # test again, this time payload will be chuncked to GSO size (i.e. 1448)
+ rxs = self.send_and_expect(self.pg2, 5 * [pgre4], self.pg0, 225)
+ size = 0
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, self.pg0.local_mac)
+ self.assertEqual(rx[Ether].dst, self.pg0.remote_mac)
+ self.assertEqual(rx[IP].src, self.pg0.local_ip4)
+ self.assertEqual(rx[IP].dst, self.pg0.remote_ip4)
+ self.assert_ip_checksum_valid(rx)
+ self.assertEqual(rx[IP].proto, 0x2F) # GRE encap
+ self.assertEqual(rx[GRE].proto, 0x0800) # IPv4
+ inner = rx[GRE].payload
+ self.assertEqual(rx[IP].len - 20 - 4, len(inner))
+ self.assertEqual(inner[IP].src, self.pg2.remote_ip4)
+ self.assertEqual(inner[IP].dst, "172.16.10.3")
+ self.assert_ip_checksum_valid(inner)
+ self.assert_tcp_checksum_valid(inner)
+ payload_len = inner[IP].len - 20 - 20
+ self.assertEqual(payload_len, len(inner[Raw]))
+ size += payload_len
+ self.assertEqual(size, 65200 * 5)
+
+ # Disable the GSO segmentation on GRE tunnel
+ self.vapi.feature_gso_enable_disable(
+ sw_if_index=self.gre4.sw_if_index, enable_disable=0
+ )
+
+ # test again when GSO segmentation is disabled, Packets are truncated
+ rxs = self.send_and_expect(self.pg2, 5 * [pgre4], self.pg0, 5)
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, self.pg0.local_mac)
+ self.assertEqual(rx[Ether].dst, self.pg0.remote_mac)
+ self.assertEqual(rx[IP].src, self.pg0.local_ip4)
+ self.assertEqual(rx[IP].dst, self.pg0.remote_ip4)
+ self.assert_ip_checksum_valid(rx)
+ self.assertEqual(rx[IP].proto, 0x2F) # GRE encap
+ self.assertEqual(rx[GRE].proto, 0x0800) # IPv4
+ inner = rx[GRE].payload
+ self.assertNotEqual(rx[IP].len - 20 - 4, len(inner))
+ self.assertEqual(inner[IP].src, self.pg2.remote_ip4)
+ self.assertEqual(inner[IP].dst, "172.16.10.3")
+ self.assert_ip_checksum_valid(inner)
+ payload_len = inner[IP].len - 20 - 20
+ self.assertEqual(payload_len, 65200)
+ # truncated packet to MTU size
+ self.assertNotEqual(payload_len, len(inner[Raw]))
+
+ self.ip4_via_gre4_tunnel.remove_vpp_config()
+ self.gre4.remove_vpp_config()
+
+ self.gre6.add_vpp_config()
+ self.gre6.admin_up()
+ self.gre6.config_ip4()
+
+ #
+ # Add a route that resolves the tunnel's destination
+ # Add IPv6 routes via tunnel interface
+ #
+ self.vapi.feature_gso_enable_disable(
+ sw_if_index=self.gre6.sw_if_index, enable_disable=1
+ )
+ self.ip6_via_gre6_tunnel = VppIpRoute(
+ self,
+ "fd01:10::",
+ 64,
+ [
+ VppRoutePath(
+ "::",
+ self.gre6.sw_if_index,
+ proto=FibPathProto.FIB_PATH_NH_PROTO_IP6,
+ )
+ ],
+ )
+ self.ip6_via_gre6_tunnel.add_vpp_config()
+
+ #
+ # Create IPv6 packet
+ #
+ pgre6 = (
+ Ether(src=self.pg2.remote_mac, dst="02:fe:60:1e:a2:79")
+ / IPv6(src=self.pg2.remote_ip6, dst="fd01:10::3")
+ / TCP(sport=1234, dport=1234)
+ / Raw(b"\xa5" * 65200)
+ )
+
+ # test when GSO segmentation is enabled, payload will be segmented
+ # into GSO size (i.e. 1448)
+ rxs = self.send_and_expect(self.pg2, 5 * [pgre6], self.pg0, 225)
+ size = 0
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, self.pg0.local_mac)
+ self.assertEqual(rx[Ether].dst, self.pg0.remote_mac)
+ self.assertEqual(rx[IPv6].src, self.pg0.local_ip6)
+ self.assertEqual(rx[IPv6].dst, self.pg0.remote_ip6)
+ self.assertEqual(ipv6nh[rx[IPv6].nh], "GRE")
+ self.assertEqual(rx[GRE].proto, 0x86DD) # IPv6
+ inner = rx[GRE].payload
+ self.assertEqual(rx[IPv6].plen - 4, len(inner))
+ self.assertEqual(inner[IPv6].src, self.pg2.remote_ip6)
+ self.assertEqual(inner[IPv6].dst, "fd01:10::3")
+ self.assert_tcp_checksum_valid(inner)
+ payload_len = inner[IPv6].plen - 20
+ self.assertEqual(payload_len, len(inner[Raw]))
+ size += payload_len
+ self.assertEqual(size, 65200 * 5)
+
+ # disable GSO segmentation
+ self.vapi.feature_gso_enable_disable(
+ sw_if_index=self.gre6.sw_if_index, enable_disable=0
+ )
+
+ # test again, this time packets will be truncated
+ rxs = self.send_and_expect(self.pg2, 5 * [pgre6], self.pg0, 5)
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, self.pg0.local_mac)
+ self.assertEqual(rx[Ether].dst, self.pg0.remote_mac)
+ self.assertEqual(rx[IPv6].src, self.pg0.local_ip6)
+ self.assertEqual(rx[IPv6].dst, self.pg0.remote_ip6)
+ self.assertEqual(ipv6nh[rx[IPv6].nh], "GRE")
+ self.assertEqual(rx[GRE].proto, 0x86DD) # IPv6
+ inner = rx[GRE].payload
+ self.assertNotEqual(rx[IPv6].plen - 4, len(inner))
+ self.assertEqual(inner[IPv6].src, self.pg2.remote_ip6)
+ self.assertEqual(inner[IPv6].dst, "fd01:10::3")
+ payload_len = inner[IPv6].plen - 20
+ self.assertEqual(payload_len, 65200)
+ # packets are truncated to MTU size
+ self.assertNotEqual(payload_len, len(inner[Raw]))
+
+ self.ip6_via_gre6_tunnel.remove_vpp_config()
+ self.gre6.remove_vpp_config()
+
+ def test_gso_ipsec(self):
+ """GSO IPSEC test"""
+ #
+ # Send jumbo frame with gso enabled only on input interface and
+ # create IPIP tunnel on VPP pg0.
+ #
+
+ #
+ # enable ipip4
+ #
+ self.ipip4.add_vpp_config()
+ self.vapi.feature_gso_enable_disable(
+ sw_if_index=self.ipip4.sw_if_index, enable_disable=1
+ )
+
+ # Add IPv4 routes via tunnel interface
+ self.ip4_via_ip4_tunnel = VppIpRoute(
+ self,
+ "172.16.10.0",
+ 24,
+ [
+ VppRoutePath(
+ "0.0.0.0",
+ self.ipip4.sw_if_index,
+ proto=FibPathProto.FIB_PATH_NH_PROTO_IP4,
+ )
+ ],
+ )
+ self.ip4_via_ip4_tunnel.add_vpp_config()
+
+ # IPSec config
+ self.ipv4_params = IPsecIPv4Params()
+ self.encryption_type = ESP
+ config_tun_params(self.ipv4_params, self.encryption_type, self.ipip4)
+
+ self.tun_sa_in_v4 = VppIpsecSA(
+ self,
+ self.ipv4_params.scapy_tun_sa_id,
+ self.ipv4_params.scapy_tun_spi,
+ self.ipv4_params.auth_algo_vpp_id,
+ self.ipv4_params.auth_key,
+ self.ipv4_params.crypt_algo_vpp_id,
+ self.ipv4_params.crypt_key,
+ VppEnum.vl_api_ipsec_proto_t.IPSEC_API_PROTO_ESP,
+ )
+ self.tun_sa_in_v4.add_vpp_config()
+
+ self.tun_sa_out_v4 = VppIpsecSA(
+ self,
+ self.ipv4_params.vpp_tun_sa_id,
+ self.ipv4_params.vpp_tun_spi,
+ self.ipv4_params.auth_algo_vpp_id,
+ self.ipv4_params.auth_key,
+ self.ipv4_params.crypt_algo_vpp_id,
+ self.ipv4_params.crypt_key,
+ VppEnum.vl_api_ipsec_proto_t.IPSEC_API_PROTO_ESP,
+ )
+ self.tun_sa_out_v4.add_vpp_config()
+
+ self.tun_protect_v4 = VppIpsecTunProtect(
+ self, self.ipip4, self.tun_sa_out_v4, [self.tun_sa_in_v4]
+ )
+
+ self.tun_protect_v4.add_vpp_config()
+
+ # Set interface up and enable IP on it
+ self.ipip4.admin_up()
+ self.ipip4.set_unnumbered(self.pg0.sw_if_index)
+
+ #
+ # IPv4/IPv4 - IPSEC
+ #
+ ipsec44 = (
+ Ether(src=self.pg2.remote_mac, dst="02:fe:60:1e:a2:79")
+ / IP(src=self.pg2.remote_ip4, dst="172.16.10.3", flags="DF")
+ / TCP(sport=1234, dport=1234)
+ / Raw(b"\xa5" * 65200)
+ )
+
+ rxs = self.send_and_expect(self.pg2, [ipsec44], self.pg0, 45)
+ size = 0
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, self.pg0.local_mac)
+ self.assertEqual(rx[Ether].dst, self.pg0.remote_mac)
+ self.assertEqual(rx[IP].src, self.pg0.local_ip4)
+ self.assertEqual(rx[IP].dst, self.pg0.remote_ip4)
+ self.assertEqual(rx[IP].proto, 50) # ESP
+ self.assertEqual(rx[ESP].spi, self.ipv4_params.vpp_tun_spi)
+ inner = self.ipv4_params.vpp_tun_sa.decrypt(rx[IP])
+ self.assertEqual(inner[IP].src, self.pg2.remote_ip4)
+ self.assertEqual(inner[IP].dst, "172.16.10.3")
+ size += inner[IP].len - 20 - 20
+ self.assertEqual(size, 65200)
+
+ self.ip6_via_ip4_tunnel = VppIpRoute(
+ self,
+ "fd01:10::",
+ 64,
+ [
+ VppRoutePath(
+ "::",
+ self.ipip4.sw_if_index,
+ proto=FibPathProto.FIB_PATH_NH_PROTO_IP6,
+ )
+ ],
+ )
+ self.ip6_via_ip4_tunnel.add_vpp_config()
+ #
+ # IPv4/IPv6 - IPSEC
+ #
+ ipsec46 = (
+ Ether(src=self.pg2.remote_mac, dst="02:fe:60:1e:a2:79")
+ / IPv6(src=self.pg2.remote_ip6, dst="fd01:10::3")
+ / TCP(sport=1234, dport=1234)
+ / Raw(b"\xa5" * 65200)
+ )
+
+ rxs = self.send_and_expect(self.pg2, [ipsec46], self.pg0, 45)
+ size = 0
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, self.pg0.local_mac)
+ self.assertEqual(rx[Ether].dst, self.pg0.remote_mac)
+ self.assertEqual(rx[IP].src, self.pg0.local_ip4)
+ self.assertEqual(rx[IP].dst, self.pg0.remote_ip4)
+ self.assertEqual(rx[IP].proto, 50) # ESP
+ self.assertEqual(rx[ESP].spi, self.ipv4_params.vpp_tun_spi)
+ inner = self.ipv4_params.vpp_tun_sa.decrypt(rx[IP])
+ self.assertEqual(inner[IPv6].src, self.pg2.remote_ip6)
+ self.assertEqual(inner[IPv6].dst, "fd01:10::3")
+ size += inner[IPv6].plen - 20
+ self.assertEqual(size, 65200)
+
+ # disable IPSec
+ self.tun_protect_v4.remove_vpp_config()
+ self.tun_sa_in_v4.remove_vpp_config()
+ self.tun_sa_out_v4.remove_vpp_config()
+
+ #
+ # disable ipip4
+ #
+ self.vapi.feature_gso_enable_disable(self.ipip4.sw_if_index, enable_disable=0)
+ self.ip4_via_ip4_tunnel.remove_vpp_config()
+ self.ip6_via_ip4_tunnel.remove_vpp_config()
+ self.ipip4.remove_vpp_config()
+
+ #
+ # enable ipip6
+ #
+ self.ipip6.add_vpp_config()
+ self.vapi.feature_gso_enable_disable(self.ipip6.sw_if_index, enable_disable=1)
+
+ # Set interface up and enable IP on it
+ self.ipip6.admin_up()
+ self.ipip6.set_unnumbered(self.pg0.sw_if_index)
+
+ # Add IPv4 routes via tunnel interface
+ self.ip4_via_ip6_tunnel = VppIpRoute(
+ self,
+ "172.16.10.0",
+ 24,
+ [
+ VppRoutePath(
+ "0.0.0.0",
+ self.ipip6.sw_if_index,
+ proto=FibPathProto.FIB_PATH_NH_PROTO_IP4,
+ )
+ ],
+ )
+ self.ip4_via_ip6_tunnel.add_vpp_config()
+
+ # IPSec config
+ self.ipv6_params = IPsecIPv6Params()
+ self.encryption_type = ESP
+ config_tun_params(self.ipv6_params, self.encryption_type, self.ipip6)
+ self.tun_sa_in_v6 = VppIpsecSA(
+ self,
+ self.ipv6_params.scapy_tun_sa_id,
+ self.ipv6_params.scapy_tun_spi,
+ self.ipv6_params.auth_algo_vpp_id,
+ self.ipv6_params.auth_key,
+ self.ipv6_params.crypt_algo_vpp_id,
+ self.ipv6_params.crypt_key,
+ VppEnum.vl_api_ipsec_proto_t.IPSEC_API_PROTO_ESP,
+ )
+ self.tun_sa_in_v6.add_vpp_config()
+
+ self.tun_sa_out_v6 = VppIpsecSA(
+ self,
+ self.ipv6_params.vpp_tun_sa_id,
+ self.ipv6_params.vpp_tun_spi,
+ self.ipv6_params.auth_algo_vpp_id,
+ self.ipv6_params.auth_key,
+ self.ipv6_params.crypt_algo_vpp_id,
+ self.ipv6_params.crypt_key,
+ VppEnum.vl_api_ipsec_proto_t.IPSEC_API_PROTO_ESP,
+ )
+ self.tun_sa_out_v6.add_vpp_config()
+
+ self.tun_protect_v6 = VppIpsecTunProtect(
+ self, self.ipip6, self.tun_sa_out_v6, [self.tun_sa_in_v6]
+ )
+
+ self.tun_protect_v6.add_vpp_config()
+
+ #
+ # IPv6/IPv4 - IPSEC
+ #
+ ipsec64 = (
+ Ether(src=self.pg2.remote_mac, dst="02:fe:60:1e:a2:79")
+ / IP(src=self.pg2.remote_ip4, dst="172.16.10.3", flags="DF")
+ / TCP(sport=1234, dport=1234)
+ / Raw(b"\xa5" * 65200)
+ )
+
+ rxs = self.send_and_expect(self.pg2, [ipsec64], self.pg0, 45)
+ size = 0
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, self.pg0.local_mac)
+ self.assertEqual(rx[Ether].dst, self.pg0.remote_mac)
+ self.assertEqual(rx[IPv6].src, self.pg0.local_ip6)
+ self.assertEqual(rx[IPv6].dst, self.pg0.remote_ip6)
+ self.assertEqual(ipv6nh[rx[IPv6].nh], "ESP Header")
+ self.assertEqual(rx[ESP].spi, self.ipv6_params.vpp_tun_spi)
+ inner = self.ipv6_params.vpp_tun_sa.decrypt(rx[IPv6])
+ self.assertEqual(inner[IP].src, self.pg2.remote_ip4)
+ self.assertEqual(inner[IP].dst, "172.16.10.3")
+ size += inner[IP].len - 20 - 20
self.assertEqual(size, 65200)
-if __name__ == '__main__':
+ self.ip6_via_ip6_tunnel = VppIpRoute(
+ self,
+ "fd01:10::",
+ 64,
+ [
+ VppRoutePath(
+ "::",
+ self.ipip6.sw_if_index,
+ proto=FibPathProto.FIB_PATH_NH_PROTO_IP6,
+ )
+ ],
+ )
+ self.ip6_via_ip6_tunnel.add_vpp_config()
+
+ #
+ # IPv6/IPv6 - IPSEC
+ #
+ ipsec66 = (
+ Ether(src=self.pg2.remote_mac, dst="02:fe:60:1e:a2:79")
+ / IPv6(src=self.pg2.remote_ip6, dst="fd01:10::3")
+ / TCP(sport=1234, dport=1234)
+ / Raw(b"\xa5" * 65200)
+ )
+
+ rxs = self.send_and_expect(self.pg2, [ipsec66], self.pg0, 45)
+ size = 0
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, self.pg0.local_mac)
+ self.assertEqual(rx[Ether].dst, self.pg0.remote_mac)
+ self.assertEqual(rx[IPv6].src, self.pg0.local_ip6)
+ self.assertEqual(rx[IPv6].dst, self.pg0.remote_ip6)
+ self.assertEqual(ipv6nh[rx[IPv6].nh], "ESP Header")
+ self.assertEqual(rx[ESP].spi, self.ipv6_params.vpp_tun_spi)
+ inner = self.ipv6_params.vpp_tun_sa.decrypt(rx[IPv6])
+ self.assertEqual(inner[IPv6].src, self.pg2.remote_ip6)
+ self.assertEqual(inner[IPv6].dst, "fd01:10::3")
+ size += inner[IPv6].plen - 20
+ self.assertEqual(size, 65200)
+
+ # disable IPSec
+ self.tun_protect_v6.remove_vpp_config()
+ self.tun_sa_in_v6.remove_vpp_config()
+ self.tun_sa_out_v6.remove_vpp_config()
+
+ #
+ # disable ipip6
+ #
+ self.ip4_via_ip6_tunnel.remove_vpp_config()
+ self.ip6_via_ip6_tunnel.remove_vpp_config()
+ self.ipip6.remove_vpp_config()
+
+ self.vapi.feature_gso_enable_disable(self.pg0.sw_if_index, enable_disable=0)
+
+
+if __name__ == "__main__":
unittest.main(testRunner=VppTestRunner)
Code Review / vpp.git / blobdiff