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Diffstat (limited to 'test/test_gso.py')
| -rw-r--r-- | test/test_gso.py | 722 |
1 files changed, 722 insertions, 0 deletions
diff --git a/test/test_gso.py b/test/test_gso.py new file mode 100644 index 00000000000..094600eb74c --- /dev/null +++ b/test/test_gso.py @@ -0,0 +1,722 @@ +#!/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(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, 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(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, 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(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(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(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) + +if __name__ == '__main__': + unittest.main(testRunner=VppTestRunner) |