+++ /dev/null
-#!/usr/bin/env python3
-"""GSO functional tests"""
-
-#
-# Add tests for:
-# - GSO
-# - Verify that sending Jumbo frame without GSO enabled correctly
-# - Verify that sending Jumbo frame with GSO enabled correctly
-# - Verify that sending Jumbo frame with GSO enabled only on ingress interface
-#
-import unittest
-
-from scapy.packet import Raw
-from scapy.layers.inet6 import IPv6, Ether, IP, UDP, 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 framework import VppTestCase, VppTestRunner
-from vpp_object import VppObject
-from vpp_interface import VppInterface
-from vpp_ip import DpoProto
-from vpp_ip_route import VppIpRoute, VppRoutePath, FibPathProto
-from vpp_ipip_tun_interface import VppIpIpTunInterface
-from vpp_vxlan_tunnel import VppVxlanTunnel
-from socket import AF_INET, AF_INET6, inet_pton
-from util import reassemble4
-
-
-""" Test_gso is a subclass of VPPTestCase classes.
- GSO tests.
-"""
-
-
-class TestGSO(VppTestCase):
- """ 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):
- super(TestGSO, self).tearDownClass()
-
- 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)
-
- def tearDown(self):
- super(TestGSO, self).tearDown()
- if not self.vpp_dead:
- for i in self.pg_interfaces:
- i.unconfig_ip4()
- i.unconfig_ip6()
- i.admin_down()
-
- def test_gso(self):
- """ GSO test """
- #
- # Send jumbo frame with gso disabled and DF bit is set
- #
- 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)
-
- 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[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.vapi.feature_gso_enable_disable(self.pg3.sw_if_index)
- 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, 100*[p41], 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[IP].src, self.pg2.remote_ip4)
- self.assertEqual(rx[IP].dst, self.pg3.remote_ip4)
- self.assertEqual(rx[IP].len, 65240) # 65200 + 20 (IP) + 20 (TCP)
- 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.vapi.feature_gso_enable_disable(self.pg0.sw_if_index)
- 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, 5*[p42], 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.pg2.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)
-
- #
- # 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(self.pg1.sw_if_index)
-
- 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, 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*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(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(self.pg0.sw_if_index,
- enable_disable=0)
- self.vapi.feature_gso_enable_disable(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(self.pg0.sw_if_index)
-
- #
- # 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(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(self.pg0.sw_if_index)
-
- #
- # 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(self.pg0.sw_if_index,
- enable_disable=0)
- self.vapi.feature_gso_enable_disable(self.ipip4.sw_if_index)
-
- 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(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(self.pg0.sw_if_index)
- 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(self.pg0.sw_if_index,
- enable_disable=0)
-
-if __name__ == '__main__':
- unittest.main(testRunner=VppTestRunner)
Code Review / vpp.git / blobdiff